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Finding the Fourth Proportional to 92,830.32, 139,245.48 and 33,624.59

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Solution

The fourth proportional to 92,830.32, 139,245.48 and 33,624.59 is: 50,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,830.32 : 139,245.48 = 33,624.59 : x
  2. Step 2: Convert to fraction form
    92,830.32/139,245.48 = 33,624.59/x
  3. Step 3: Cross multiply
    92,830.32x = 139,245.48 × 33,624.59
  4. Step 4: Simplify right side
    92,830.32x = 4,682,071,478.13
  5. Step 5: Solve for x
    x = 4,682,071,478.13/92,830.32
  6. Step 6: Final answer
    x = 50,436.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.